Dewey Decimal Classification and Fiction

CDO Library owns over 36,500 items. Materials at the library are shelved using numbers from the Dewey Decimal Classification System. In addition to books, you can also find videos, DVD’s, CD’s, cassettes, kits, and posters using the numbers below.
001 - 099 GENERALITIES

paranormal phenomena & mysteries(UFO’s, Bermuda Triangle) 001

computers(equipment & operating systems) 004 - 005

encyclopedias 030

journalism 070
100 - 199 PHILOSOPHY & PSYCHOLOGY

occult, dreams, astrology 130

psychology 150

philosophy, ancient & modern 180-190
200 - 299 RELIGION

The Bible 220

Christianity 230-280

other religions 290

Greek & Roman mythology 292
300 - 399 SOCIAL SCIENCES

sociology 301

political science 320

civil & political rights 323

economics 330

law 340

U.S. Constitution 342

immigration 342

substance abuse (drugs, alcohol) 362

true crime 364

education 370

folklore 390

customs, etiquette, manners 395

folktales (by country or origin) 398

riddles 398
400 - 499 LANGUAGE(dictionaries, grammars)

English 420

English as a Second Language 428

Spanish 460

Russian 491.7

Arabic 492.7

Chinese 495.1

Vietnamese 495.922
500 - 599 NATURAL SCIENCES & MATHEMATICS

mathematics 510

astronomy 520

physics 530

chemistry 540

prehistoric life 560

dinosaurs 567

human evolution & biology 570

plants 580

animals 590
600 - 699 TECHNOLOGY (applied sciences)

medical & drug information 610

exercise & diet 613

diseases (including addictions) 616

pregnancy 618

engineering 620

auto repair 629

agriculture 630

pets 636

home economics 640

cooking 641

sewing 646

child development 649

job hunting & resumes 650

word processing & computer software 652

small business 658

do-it-yourself (appliance repair, etc.) 680

home improvement (remodeling) 690
700 - 799 THE ARTS

architecture 720

drawing 740

crafts 745

painting 750

photography 770

music 780

sports 790

radio & television 791

games & party information 795
800 - 899 LITERATURE

writing improvements 808

poetry, plays, short stories, collections of stories, and humor (by country of origin) 810-890

humor 817

jokes 818

American poetry 821
900-999 GEOGRAPHY & HISTORY

geography 910

travel (by country) 910-919

southwest travel 917.9

baby names 929

history (by country) 930-990

World War II 940.5

Vietnam War 959.7

Native American history & culture 970

United States history 973

Latino history 973.0468

African American history 973.0496

Arizona history 979.1

FICTION- shelved alphabetically around the interior perimeter by author’s last name
C-(Career) in new section in back
P-(Professional) section near encyclopedias in reference
PRE-(Preschool) preschool library
R-(Reference) reference section and college cart; overnight checkout
SAT- one week checkout
SC-(Short Story Collection) end of fiction